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Finding the Fourth Proportional to 371.76, 557.44 and 250.08

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Solution

The fourth proportional to 371.76, 557.44 and 250.08 is: 374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.76 : 557.44 = 250.08 : x
  2. Step 2: Convert to fraction form
    371.76/557.44 = 250.08/x
  3. Step 3: Cross multiply
    371.76x = 557.44 × 250.08
  4. Step 4: Simplify right side
    371.76x = 139,404.60
  5. Step 5: Solve for x
    x = 139,404.60/371.76
  6. Step 6: Final answer
    x = 374.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.